UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w5QJUc4rIUPuV3twPf3Eh6NxPakzyqznVsbf5MObbmE=' 
WHERE 
  key_id = 'e8e1802dbb3e06e41cb379c8a99a1d72817946c66445d05250c4c72f12556edb' 
  AND (
    token = 'w5QJUc4rIUPuV3twPf3Eh6NxPakzyqznVsbf5MObbmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )